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CTRL+Space.... I did not know that!! Very handy....
Regards,
Jayson
-----Original Message-----
From: Tomasz Janeczko [mailto:amibroker@xxxxxx]
Sent: Monday, January 26, 2004 2:13 PM
To: amibroker@xxxxxxxxxxxxxxx
Subject: Re: [amibroker] Re: Slope in radians? question for Math geniuses
Dimitris,
Yes TAN() somehow has been left from docs but it is there.
There are also ACOS and ASIN (arcus cosine and arcus sine)
available.
BTW: all functions/variables really available are displayed
when you just press CTRL+SPACE in the AFL editor.
But of course I will update docs too.
Best regards,
Tomasz Janeczko
amibroker.com
----- Original Message -----
From: "DIMITRIS TSOKAKIS" <TSOKAKIS@xxxxxxxxx>
To: <amibroker@xxxxxxxxxxxxxxx>
Sent: Monday, January 26, 2004 7:50 AM
Subject: [amibroker] Re: Slope in radians? question for Math geniuses
> The function appears at
> http://www.amibroker.com/guide/afl/afl_view.php?id=253
> It means, perhaps, we may use it.
> Dimitris Tsokakis
> --- In amibroker@xxxxxxxxxxxxxxx, <stewartgotlieb@xxxx> wrote:
> > Dimitris,
> >
> > I guess it's undocumented.
> >
> > Stewart
> > ----- Original Message -----
> > From: DIMITRIS TSOKAKIS
> > To: amibroker@xxxxxxxxxxxxxxx
> > Sent: Sunday, January 25, 2004 11:24 PM
> > Subject: [amibroker] Re: Slope in radians? question for Math
> geniuses
> >
> >
> > Stewart,
> > There was no such function in 4.50 User's guide.
> > Do I miss something ?
> > Dimitris Tsokakis
> > --- In amibroker@xxxxxxxxxxxxxxx, <stewartgotlieb@xxxx> wrote:
> > > DT,
> > >
> > > AFL does have tangent - it's TAN().
> > >
> > > Regards,
> > >
> > > Stewart
> > > ----- Original Message -----
> > > From: DIMITRIS TSOKAKIS
> > > To: amibroker@xxxxxxxxxxxxxxx
> > > Sent: Sunday, January 25, 2004 3:45 PM
> > > Subject: [amibroker] Re: Slope in radians? question for Math
> > geniuses
> > >
> > >
> > > Anthony,
> > > For any point , D bars before the end of an array y, we may
> draw
> > an
> > > automatic line with ANGLEdeg [in degrees, positive or
> negative.
> > > Avoid +-90, the tan is not defined there.
> > > Since we do not have in AFL a tangent function [as we miss
> pi],
> > we
> > > should use their equivalents
> > >
> > > D=50;ANGLEdeg=Param("a",45,-89,89,1);
> > > x=Cum(1);L1=LastValue(x);
> > > y=RSI();
> > > x0=x[L1-D];
> > > Y0=Y[L1-D];
> > > pi=4*atan(1);ANGLErad=pi*ANGLEdeg/180;
> > > z=y0+(sin(ANGLErad)/cos(ANGLErad))*(x-x0);
> > > Plot(y,"",1,1);
> > > Plot(IIf(x>=x0,z,-1e10),"",colorRed,1);
> > > Plot(IIf(x>=x0,y0,-1e10),"",colorRed,1);
> > > PlotShapes(shapeUpTriangle*(x==x0),colorYellow);
> > > Title="ANGLEdeg="+WriteVal(ANGLEdeg,1.0);
> > >
> > > Dimitris Tsokakis
> > >
> > >
> > > --- In amibroker@xxxxxxxxxxxxxxx, "Anthony Faragasso"
> > <ajf1111@xxxx>
> > > wrote:
> > > > Dimitri,
> > > >
> > > > Would it be possible to work at this from a different
> > > way....something like:
> > > >
> > > > Angle=Param("Angle",45,10,90,1);
> > > >
> > > > Select an angle and then have the line drawn.
> > > >
> > > > Anthony
> > > > ----- Original Message -----
> > > > From: "DIMITRIS TSOKAKIS" <TSOKAKIS@xxxx>
> > > > To: <amibroker@xxxxxxxxxxxxxxx>
> > > > Sent: Sunday, January 25, 2004 5:59 AM
> > > > Subject: [amibroker] Re: Slope in radians? question for
> Math
> > > geniuses
> > > >
> > > >
> > > > > Suppose you START 50 bars before the last bar and the END
> is
> > 20
> > > bars
> > > > > ago.
> > > > > For any ARRAY, the angle is
> > > > >
> > > > > START=50;END=30;
> > > > > ARRAY=RSI();
> > > > > L1=LastValue(Cum(1));
> > > > > X0=L1-START;X1=L1-END;
> > > > > Y0=ARRAY[X0];Y1=ARRAY[X1];
> > > > > Plot(ARRAY,"",1,1);
> > > > > Plot(LineArray(X0,Y0,X1,Y1),"",4,1);
> > > > > Plot(LineArray(X0,Y0,X1,Y0),"",4,1);
> > > > > ANGLE=atan((Y1-Y0)/(X1-X0));
> > > > > Title="ANGLE="+WriteVal(ANGLE)+" RADS"+", ["+WriteVal
> > > (45*ANGLE/atan
> > > > > (1),1.0)+" DEGS]";
> > > > >
> > > > > Replace the ARRAY with yours and see the result in RADS
> [and
> > > DEGS].
> > > > > Note that the calculation does not match with the visual
> > angle,
> > > which
> > > > > depends on the applied zoom and the dimensions of your
> graph.
> > > > > Dimitris Tsokakis
> > > > > --- In amibroker@xxxxxxxxxxxxxxx, "epintoem"
> <epintoem@xxxx>
> > > wrote:
> > > > > > Given two points.... how could I calculate the slope of
> the
> > line
> > > > > > connecting those two points....We have an atan function
> but
> > I
> > > have
> > > > > no
> > > > > > clue as to how to use it.
> > > > > >
> > > > > > Thanks for your help
> > > > >
> > > > >
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